The new Citroën showroom is at 42 Champs Elysées, the same spot where the company’s founder, André Citroën, built his first salesroom between the 1920s and 30s. The original layout was designed to show off the interior. Its rectangular plain glass façade onto the Champs Elysées was in keeping with the rigorously minimalist architecture typical of 1930’s rationalism.The...